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/gem5/tests/long/fs/10.linux-boot/ref/arm/linux/realview-o3/
H A Dsimout8983:8800b05e1cb3 Wed May 09 14:52:00 EDT 2012 Nathan Binkert <nate@binkert.org> stats: update stats for no_value -> nan
Lots of accumulated older changes too.
/gem5/tests/long/se/50.vortex/ref/arm/linux/minor-timing/
H A Dstats.txt10433:821cbe4a183b Thu Oct 09 17:52:00 EDT 2014 Andreas Hansson <andreas.hansson@arm.com> stats: Add DRAM power statistics to reference output
/gem5/tests/quick/fs/10.linux-boot/ref/arm/linux/realview-simple-timing/
H A Dconfig.ini8983:8800b05e1cb3 Wed May 09 14:52:00 EDT 2012 Nathan Binkert <nate@binkert.org> stats: update stats for no_value -> nan
Lots of accumulated older changes too.
/gem5/tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby/
H A Dstats.txt8983:8800b05e1cb3 Wed May 09 14:52:00 EDT 2012 Nathan Binkert <nate@binkert.org> stats: update stats for no_value -> nan
Lots of accumulated older changes too.
/gem5/tests/quick/fs/10.linux-boot/ref/arm/linux/realview-simple-timing-dual/
H A Dconfig.ini8983:8800b05e1cb3 Wed May 09 14:52:00 EDT 2012 Nathan Binkert <nate@binkert.org> stats: update stats for no_value -> nan
Lots of accumulated older changes too.
/gem5/tests/quick/se/00.hello/ref/mips/linux/simple-timing-ruby/
H A Dstats.txt8983:8800b05e1cb3 Wed May 09 14:52:00 EDT 2012 Nathan Binkert <nate@binkert.org> stats: update stats for no_value -> nan
Lots of accumulated older changes too.
/gem5/src/cpu/kvm/
H A Dvm.hh11363:f3f72c0ab03e Fri Nov 27 09:52:00 EST 2015 Andreas Sandberg <andreas@sandberg.pp.se> kvm: Shutdown KVM and disconnect performance counters on fork

We can't/shouldn't use KVM after a fork since the child and parent
probably point to the same VM. Knowing the exact effects of this is
hard, but they are likely to be messy. We also disconnect the
performance counters attached to the guest. This works around what
seems to be a kernel bug where spurious SIGIOs get delivered to the
forked child process.

Signed-off-by: Andreas Sandberg <andreas@sandberg.pp.se>
[sascha.bischoff@arm.com: Rebased patches onto a newer gem5 version]
Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
[andreas.sandberg@arm.com: Fatal if entering KVM in child process ]
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
H A DBaseKvmCPU.py11399:3f805b5c48ae Wed Mar 30 05:52:00 EDT 2016 Andreas Sandberg <andreas.sandberg@arm.com> kvm: Add an option to force context sync on kvm entry/exit

This changeset adds an option to force the kvm-based CPUs to always
synchronize the gem5 thread context representation on entry/exit into
the kernel. This is very useful for debugging. Unfortunately, it is
also the only way to get reliable register contents when using remote
gdb functionality. The long-term solution for the latter would be to
implement a kvm-specific thread context.

Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Alexandru Dutu <alexandru.dutu@amd.com>
/gem5/tests/configs/
H A Drealview-o3-checker.py9826:014ff1fbff6d Mon Aug 19 03:52:00 EDT 2013 Andreas Hansson <andreas.hansson@arm.com> config: Move the memory instantiation outside FSConfig

This patch moves the instantiation of the memory controller outside
FSConfig and instead relies on the mem_ranges to pass the information
to the caller (e.g. fs.py or one of the regression scripts). The main
motivation for this change is to expose the structural composition of
the memory system and allow more tuning and configuration without
adding a large number of options to the makeSystem functions.

The patch updates the relevant example scripts to maintain the current
functionality. As the order that ports are connected to the memory bus
changes (in certain regresisons), some bus stats are shuffled
around. For example, what used to be layer 0 is now layer 1.

Going forward, options will be added to support the addition of
multi-channel memory controllers.
/gem5/src/sim/
H A DClockedObject.py11424:e07fd01651f3 Tue Apr 05 11:52:00 EDT 2016 David Guillen Fandos <david.guillen@arm.com> power: Add support for power models

This patch adds some basic support for power models in gem5.

The power interface is defined so it can interact with thermal
models as well. It implements a simple power evaluator that
can be used for simple power models that express power in the
form of a math expression. These expressions can use stats
within the same SimObject (or down its hierarchy) and some
magic variables such as "temp" for temperature.
In future patches we will extend this functionality to allow
slightly more complex expressions.

The model allows it to be extended to use other kinds of models.

Finally, the thermal model is updated to use the power usage as input.
/gem5/src/base/
H A Doutput.cc11293:25352d3d491e Mon Jan 11 05:52:00 EST 2016 Andreas Hansson <andreas.hansson@arm.com> ext: Replace gzstream with iostream3 from zlib to avoid LGPL

This patch replaces the gzstream zlib wrapper with the iostream3
wrapper provided as part of zlib contributions. The main reason for
the switch is to avoid including LGPL in the default gem5
build. iostream3 is provided under a more permissive license:

The code is provided "as is", with the permission to use, copy,
modify, distribute and sell it for any purpose without fee.
H A Dbitunion.hh11294:a368064a2ab5 Mon Jan 11 05:52:00 EST 2016 Andreas Hansson <andreas.hansson@arm.com> scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.
/gem5/src/arch/x86/isa/microops/
H A Dbase.isa5667:78b94954f66a Sun Oct 12 20:52:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> X86: Create a handy way to access labels from the ROM in microcode.
/gem5/src/python/m5/
H A Devent.py12041:52b3b120dbc0 Wed May 10 05:57:00 EDT 2017 Andreas Sandberg <andreas.sandberg@arm.com> python: Fix PyEvent reference counting bug

The current implementation of reference counting for PyEvents only
partially works. The native object is currently kept alive while it is
in the event queue. However, if the Python object goes out of scope,
the Python side of this object is garbage collected which leaves a
"dangling" native object. This results in confusing error messages
where PyBind is unable to find the Python implementation of an event
when it is triggered.

Implement reference counting using the generalized reference counting
API instead.

Change-Id: I4e8e04abc4f61dff238d718065f5371e73b38ab3
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/3222
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
H A Dproxy.py3101:6cce868ddaa6 Mon Sep 04 13:52:00 EDT 2006 Steve Reinhardt <stever@eecs.umich.edu> Split config.py into multiple files.
Some tweaking to deal with mutually recursive imports.
/gem5/src/arch/power/isa/formats/
H A Dmem.isa8450:40e10746b049 Tue Jul 05 19:52:00 EDT 2011 Gabe Black <gblack@eecs.umich.edu> ISAs: Streamline some spots where Mem is used in the ISA descriptions.
/gem5/src/base/vnc/
H A Dvncserver.cc12693:4db8d6442b44 Tue Feb 20 12:52:00 EST 2018 Andreas Sandberg <andreas.sandberg@arm.com> base, dev: Fix port message for vnc and terminal

When running gem5, the simulator outputs the following message to
describe the ports used by the VNC server and ther terminal:

Listening for system connection on port 5900
Listening for system connection on port 3456

The code used to extract the basename ('terminal' or 'vncserver') and
print that instead of system. However, this doesn't seem to work any
more. Change the code to output the full object name instead.

Change-Id: Ib27f66a5f8ba64c7a875b4e2f26a2e2ff48db8f3
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10026
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
/gem5/src/dev/arm/
H A Drv_ctrl.cc12078:6bbedad2eb30 Thu Feb 23 15:52:00 EST 2017 Gedare Bloom <gedare@rtems.org> arm: ignore writes to the reset_ctl register

Change-Id: I953521572e6ace475b656369c9f07ddfa50d731a
Signed-off-by: Gedare Bloom <gedare@rtems.org>
Reviewed-on: https://gem5-review.googlesource.com/3263
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
H A Dpl011.hh11294:a368064a2ab5 Mon Jan 11 05:52:00 EST 2016 Andreas Hansson <andreas.hansson@arm.com> scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.
/gem5/src/arch/alpha/
H A Dregisters.hh13614:52c5311db96b Mon Nov 19 21:28:00 EST 2018 Gabe Black <gabeblack@google.com> alpha: Stop using architecture specific register types.

Change-Id: I4052000014c9f6f9ecefd3f37e58595c61599484
Reviewed-on: https://gem5-review.googlesource.com/c/14461
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
/gem5/src/arch/power/isa/
H A Doperands.isa8449:4be49ad47c74 Tue Jul 05 19:52:00 EDT 2011 Gabe Black <gblack@eecs.umich.edu> ISA parser: Define operand types with a ctype directly.
/gem5/src/dev/sparc/
H A Diob.cc11294:a368064a2ab5 Mon Jan 11 05:52:00 EST 2016 Andreas Hansson <andreas.hansson@arm.com> scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.
/gem5/configs/example/arm/
H A Ddevices.py12148:6d367c7fdb1d Wed Jul 05 05:52:00 EDT 2017 Gabor Dozsa <gabor.dozsa@arm.com> config: Change mem_range attribute naming in ARM SimpleSystem

MemConfig.config() expects memory ranges to be defined in a particular
way. This patch changes the naming of the mem_range attribute in
SympleSystem to enable use of MemConfig for configuring the memory.

Change-Id: I4964c136e53a99c69ff5e086cacb929aa435168d
Signed-off-by: Gabor Dozsa <gabor.dozsa@arm.com>
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/4200
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
/gem5/src/mem/ruby/slicc_interface/
H A DMessage.hh11294:a368064a2ab5 Mon Jan 11 05:52:00 EST 2016 Andreas Hansson <andreas.hansson@arm.com> scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.
H A DRubySlicc_ComponentMapping.hh6467:5670eee2a866 Tue Aug 04 01:52:00 EDT 2009 Derek Hower <drh5@cs.wisc.edu> slicc: added MOESI_CMP_directory, DMA SequencerMsg, parameterized controllers

This changeset contains a lot of different changes that are too
mingled to separate. They are:

1. Added MOESI_CMP_directory

I made the changes necessary to bring back MOESI_CMP_directory,
including adding a DMA controller. I got rid of MOESI_CMP_directory_m
and made MOESI_CMP_directory use a memory controller. Added a new
configuration for two level protocols in general, and
MOESI_CMP_directory in particular.

2. DMA Sequencer uses a generic SequencerMsg

I will eventually make the cache Sequencer use this type as well. It
doesn't contain an offset field, just a physical address and a length.
MI_example has been updated to deal with this.

3. Parameterized Controllers

SLICC controllers can now take custom parameters to use for mapping,
latencies, etc. Currently, only int parameters are supported.

Completed in 147 milliseconds

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